From Middle Persian [script needed] (ʾlws /arus/, “white”), from Proto-Iranian *aurša- (compare Avestan 𐬀𐬎𐬭𐬎𐬱𐬀 (auruša, “white”), Ossetian урс (urs, “white”)), from Proto-Indo-Iranian *Harušás (compare Sanskrit अरुष (aruṣa)).
الوس • (alus)
